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DOI: 10.1016/j.seppur.2020.117477 Corpus ID: 225000165; Selective separation of cobalt and nickel using a stable supported ionic liquid membrane @article{Zante2020SelectiveSO, title={Selective separation of cobalt and nickel using a stable supported ionic liquid membrane}, author={Guillaume Zante and Maria Boltoeva and …
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Separation of cobalt from nickel is almost invariably required at some stage to obtain maximum payment for these metals, but the separation is frequently complicated by the …
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In this work, hydrometallurgical recycling of metals from high-cobalt-content spent lithium-ion batteries (LIBs) from laptops was studied using precipitation and solvent extraction as alternative purification processes. Large amounts of cobalt (58% by weight), along with nickel (6.2%), manganese (3.06%) and lithium (6.09%) are present in LiCoO2 and …
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A distribution ratio of 44 was obtained. Cobalt could be selectively separated from nickel, with a separation factor of 207. The extraction mechanism was elucidated using UV-VIS absorption measurements. The mutual solubility between the two ionic liquids was determined by 1 H NMR. Processing steps such as washing, stripping and regeneration of ...
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A Fe3O4@ Diaion HP‐2MG resin was used for separation-preconcentration and determination of trace Ni(II) as the 2‐(5‐bromo‐2‐pyridilazo)‐5‐(diethylamino)phenol (PADAP) chelate. Nickel determination was performed by high‐resolution–continuum source flame atomic absorption spectrometry (HR-CS FAAS).
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Also, there have been extensive studies at a laboratory scale for the separation of cobalt and nickel, such as solvent extraction 12,13, precipitation 14, adsorption 15,16,17,18,19,20,21 ...
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Nickel extraction from primary resources such as ores/minerals (sulfides, arsenides, silicates, and oxides) including the unconventional one viz., the polymetallic sea nodules, and various secondary resources has been examined. ... leaching of metals from the electrode materials in different lixiviants, besides separation/solvent extraction of ...
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magnesium extraction to say 1/10 of the above test result or 4.7%, the caustic consumption with Cyanex 272 from this solution would be about 13 g NaOH/g Co, based on the above test. 3 PROCESS DESCRIPTION 3.1 Basic Process for Cobalt Separation from Nickel CSIRO have developed a number of solvent extraction processes to separate nickel and cobalt
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The extraction efficiency of TPS from Plantago asiatica L. was 8.395 mg/ml, which was more superior than those of organic solvents (water, methanol, 50% methanol, ethanol, 50% ethanol). The extraction kinetics experiment results showed that water content had a significant influence upon the extraction efficiency of TPS.
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The separation factor of cobalt over nickel rapidly increased from 106.5 to 858.0, indicating that the metal separation can be significantly affected by the extraction conditions. …
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The co-extraction of impurity metals (Al, Fe, Ni, Cr, and Zr) was negligibly small with the ternary extraction system. The separation factor of Sc/Zr increased from 149 to a value of 1318 when the total extractant concentration was decreased from 1.0 mol dm −3 to a value of 0.7 mol dm −3 at an equilibrium pH of 2. This value is ...
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In view of this, the procedure of selective stripping with different acid solutions from co-extraction phase was established as a feasible way for the separation of copper and nickel. 8 For instance, Sridhar et al. 9 investigated that copper …
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In view of this, the procedure of selective stripping with different acid solutions from co-extraction phase was established as a feasible way for the separation of copper and nickel. 8 For instance, Sridhar et al. 9 investigated that copper and nickel were both extracted by LIX984N form ammoniacal/ammonium carbonate medium, after that nickel ...
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nickel copper separation Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Application number CA141,596A Other languages English (en) Other versions CA141596S (en Inventor ...
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270°C. Solid-liquid separation is carried out by Counter-Current Decantation (CCD). There are various ways of purifying the nickel-containing solution and separating nickel and cobalt. In modern plants, such separation is carried out by solvent extraction (SX). Final products produced are electro-nickel, nickel oxide or nickel briquettes.
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DOI: 10.1039/C3RA46261G Corpus ID: 10221812; Separation of rare earths and nickel by solvent extraction with two mutually immiscible ionic liquids @article{Rout2014SeparationOR, title={Separation of rare earths and nickel by solvent extraction with two mutually immiscible ionic liquids}, author={Alok Rout and Sil Wellens and …
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Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by magnetic separation technique. Mining, Metallurgy & Exploration ...
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In particular pre-treatment of the spent nickel-based batteries, leaching of metals from the electrode materials in different lixiviants, besides separation/solvent extraction of nickel/other ...
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developed for extraction of nickel and associated metals from both primary and secondary resources are summarized. Nickel extraction …
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The rising demand of metals for batteries is calling for advanced methods to separate metallic mixtures in mineral ores and electronic waste. In particular, the extraction in separate form of nickel and cobalt are focusing attention because these metals are used in cathodes of lithium-ion batteries. Here we developed the selective separation of cobalt versus …
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This paper presents a detailed review on the advanced hydrometallurgical treatment involving the extraction and separation of cobalt and nickel by Cyanex extractants. The structures, properties ...
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This paper discusses extractants and approaches for nickel extraction considering all above factors. Key words: Nickel, Extraction, organophosphorus acids, …
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The proof-of-principle for the separation of metals by solvent extraction using two mutually immiscible ionic liquids is given. Cobalt was extracted from the ionic liquid 1-ethyl-3 …
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The extraction and separation of nickel and cobalt from a synthetic lateritic nickel solution containing 3.0 g/L Ni, 0.19 g/L Co, 0.2 g/L Zn-Cu, 1,8 g/L Mn, 10 g/L Mg and 0.5 g/L Ca was studied using hydroxamic acid (LIX 1104, LIX 1104SM) and the mixture of LIX 1104 with neodecanoic acid (Versatic 10). In this study it was observed that using ...
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The physical chemistry of nickel and cobalt is similar. In this paper, Cyanex272 was employed to extraction and separation of nickel and cobalt. Acetic acid solution was …
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In this paper, convective flow adsorptive membrane for removal of low nickel concentration from water by introducing raw or functionalized multi-walled carbon nanotubes (MWCNTs) to pores of microfiltration membrane was prepared. For filling inter-CNT gaps, in situ polymerization of acrylic acid as monomer and ethylene glycol as crosslinker was employed.
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Separation of cobalt and nickel from sulfate media was investigated, using a extraction system of 30% 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester (P507)+15% trioctyl/decylamine (N235)+55% sulfonated kerosene. About 41 wt% Co 2+ was extracted with 1.6 wt% co-extraction of Ni 2+ at O/A ratio of 2:1.
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1. Introduction. La chromatographie d'adsorption est une technique de séparation de composés basée sur la différence d'affinité existant entre ces composés, la …
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The evaluation of LIX 64N for the extraction of nickel and copper from liquor produced by this method has indicated that the extractant has two undesirable features: (1) In …
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